COMPUTER HARDWARE

COMPUTER HARDWARE : is the physical part of a computer, as distinguished from the computer software or computer programs and data that operate within the hardware. The hardware of a computer is infrequently changed, in comparison with software and data which are "soft" in the sense that they are readily created, modified or erased on the computer

WHY TO LEARN ABOUT COMPUTER?

THERE ARE VARIOUS REASONS FOR LEARING ABOUT BASICS OF COMPUTERS. SOME OF THEM ARE:

• EDUCATION: You can't have well rounded education without knowing something about computers.

• EMPLOYMENT: Computer knowledge helps you compete in today's workplace.
• PRODUCTIVITY: Computers can help you be more efficient.
• CAPABILITY: Computers can help you do jobs that might otherwise be impossible
• FUN: Computers can be enjoyable and entertaining.

COMPUTERS!!!! WHAT THEY ARE?

A COMPUTER IS AN ELECTRONIC DEVICE MADE UP OF SEVERAL DISTINCT COMPONENTS. THIS DEVICE CAN BE INSTRUCTED TO PROCESS, OR MANIPULATE, DATA IN SOME MANNER.

Types of computers:

• Microcomputers.
• Workstations.
• Minicomputers.
• Mainframes.
• and supercomputers.

The computer system is HARDWARE, SOFTWARE, AND USER

1. Computer Hardware:

• CASE :is a frame, constructed of metal and high-impact plastic. It houses all of the internal components of a computer. There are many types of cases for example tower and desktop.

• MONITOR, DISPLAY OR SCREEN : is a computer peripheral device capable of showing characters and/or still or moving images generated by a computer and processed by a graphics card.

• KEYBOARD :is similar to electric-typewriter keyboards but contain additional keys.

• MOUSE :contain at least one button and sometimes as many as three or more, which have different functions depending on what program is running. Some newer mice also include a scroll wheel for scrolling through long documents.

• HEADPHONE/SPEAKERS & MIC :SPEAKERS are external speakers and are usually equipped with a male-end phone plug for computer sound cards.HEADPHONE are like SPEAKERS but placed in close proximity to the ears.MIC (pronounced "mike" ,an abbreviation for microphone), is a transducer that converts sound into an electrical signal

• WEBCAM :(or web camera) is a real time camera whose images can be accessed using the World Wide Web, instant messaging, or a PC video calling application

• SCANNER :is a general-purpose device which digitizes a two-dimensional image.

• PRINTER :is a computer peripheral device that produces a hard copy (permanent human-readable text and/or graphics, usually on paper) from data stored in a computer connected to it.

2. Computer Software:

• Operating System
• Basic Software
• Email Software
• Web Browser
• And more,more ...

3. Additional Software to Consider:

• Antivirus Software
• Compression/Extraction Utilities
• Accounting Software
• Firewall
• PDF Reader
• And more,more ...

This web site is a survival guide inside which you will find easy-to-follow instructions and information about computer hardware. It will help you to keep your computer running smoothly and how to acheive maximum performance.

It provides help in deciding what kind of enhancements to add to an existing PC or how to figure out what features you need to include on a new one. It includes easy-to-understand explanation of how your computer hardware works, and step-by-step instructions on how to install and remove components.